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Abstrak (Bhs. Indonesia)

Permintaan dari berbagai negara akan edamame sangat banyak, namun Indonesia hanya dapat memenuhi 3% dari kebutuhan pasar Jepang. Pemanfaatan lahan marginal ultisol dapat dilakukan dengan pengupayaan penambahan pupuk organik kasgot. Kasgot mengandung unsur hara N, P, dan K namun jumlah yang tersedia masih tergolong rendah sehingga diperlukan penambahan bahan organik lainnya seperti biochar sekam padi, hijauan legum, dan zeolit. Penelitian ini bertujuan untuk mengetahui pengaruh aplikasi fermentasi kasgot yang diperkaya biochar, legum dan zeolit terhadap pertumbuhan dan hasil tanaman edamame di ultisol serta mengetahui formulasi fermentasi kasgot yang terbaik pada tanaman edamame di ultisol. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) non faktorial dengan 4 ulangan, meliputi K0: tanpa pemupukan, K1: pupuk NPK, K2: kasgot 100%, K3: kasgot 88% + biochar 5% + legum 2% + zeolit 5%, K4: kasgot 76% + biochar 10% + legum 4% + zeolit 10%, K5: kasgot 64% + biochar 15% + legum 6% + zeolit 15%, K6: kasgot 52% + biochar 20% + legum 8% + zeolit 20%. Data hasil penelitian dianalisis menggunakan uji ANOVA pada taraf kesalahan 5%, jika berpengaruh nyata dilanjutkan dengan uji DMRT. Hasil penelitian menunjukkan bahwa aplikasi fermentasi kasgot yang diperkaya biochar, hijauan legum dan zeolit berpengaruh nyata pada tinggi tanaman, jumlah daun, luas daun, bobot kering tajuk, bobot kering akar, dan bobot polong per tanaman, namun tidak berpengaruh nyata pada rasio bobot kering tajuk-bobot kering akar, jumlah polong per tanaman, jumlah biji dan bobot biji per tanaman. Formulasi kasgot K4 merupakan formula yang terbaik karena menghasilkan pertumbuhan edamame yang tertinggi. Sedangkan untuk variabel hasil edamame, formula kasgot K5 merupakan formula yang terbaik.

Abtrak (Bhs. Inggris)

The demand for edamame from various countries is very high, but Indonesia can only meet 3% of Japan's market needs. The utilization of marginal ultisol land can be achieved by adding kasgot organic fertilizer. Kasgot contains N, P, and K nutrients, but the available amounts are still relatively low, so the addition of other organic materials such as rice husk biochar, legume greens, and zeolite is necessary. This study aims to determine the effect of applying fermented kasgot enriched with biochar, legume, and zeolite on the growth and yield of edamame plants in ultisol, as well as to identify the best formulation of fermented kasgot for edamame plants in ultisol. This study used a non-factorial Randomized Block Design (RBD) with 4 replications, including K0: without fertilization, K1: NPK fertilizer, K2: 100% kasgot, K3: 88% kasgot + 5% biochar + 2% legume + 5% zeolite, K4: 76% kasgot + 10% biochar + 4% legume + 10% zeolite, K5: 64% kasgot + 15% biochar + 6% legume + 15% zeolite, K6: 52% kasgot + 20% biochar + 8% legume + 20% zeolite. The research data were analyzed using ANOVA at a 5% error level, and if significant, followed by the DMRT test. The research results showed that the application of fermented kasgot enriched with biochar, legume forage, and zeolite significantly affected plant height, number of leaves, leaf area, dry weight of the canopy, dry weight of the roots, and pod weight per plant, but did not significantly affect the ratio of dry weight of the canopy to dry weight of the roots, number of pods per plant, number of seeds, and seed weight per plant. The kasgot formulation K4 was the best formula as it produced the highest edamame growth. Meanwhile, for the edamame yield variables, the kasgot formulation K5 was the best formula.

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